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Finding the Fourth Proportional to 329,370.55, 494,105.03 and 104,738.31

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Solution

The fourth proportional to 329,370.55, 494,105.03 and 104,738.31 is: 157,123.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,370.55 : 494,105.03 = 104,738.31 : x
  2. Step 2: Convert to fraction form
    329,370.55/494,105.03 = 104,738.31/x
  3. Step 3: Cross multiply
    329,370.55x = 494,105.03 × 104,738.31
  4. Step 4: Simplify right side
    329,370.55x = 51,751,725,542.85
  5. Step 5: Solve for x
    x = 51,751,725,542.85/329,370.55
  6. Step 6: Final answer
    x = 157,123.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.